ZS Pharma, a biopharmaceutical company developing novel treatments for kidney, cardiovascular, liver and metabolic disorders, today announced that sub-group analysis data from a pivotal Phase 3 trial of ZS-9, an investigational treatment for hyperkalemia, will be presented as a late-breaking oral presentation at the 2014 American Society of Hypertension (ASH) Annual Scientific Meeting and Exposition at the New York Hilton Midtown in New York City.